E46 328i - 'Clunk' noise from auto box?

[zhead]

Hi all,

Excuse this as I know it's been asked (and answered) on here before but the PH search facility is down and I've trawled pages on here looking for the right topic....

I have an E46 328i with auto box and around 102k miles - when shifting from reverse / park to drive, there is sometimes a clunking noise from the rear of the car which you can feel in the gear stick.

I had the gearbox / transmission fluid changed recently as part of a 100k service.

Recently I read a thread on here about this and it was suggested that it was a seal of some sort - can anyone please remind me what it could be (from my limited description...!).

THanks in advance,

Neil

[Frances The Mute]

It may be the propshaft doughnut (giubo) that can tear and disintegrate over time.

This takes the initial 'snap' out of the transmission for smooth changes so gives you this sort of issue when it fails.

[kev b]

The first checks I would make are rear subframe and diff bushes, also inspect the boot floor where the subframe mounts for cracks. I know that people say the floor won't crack on an auto but I have seen it happen.
Also check your propshaft u/j and the driveshaft joints and diff for excessive play.

Edited by kev b on Thursday 15th March 12:43